Παραπομπή APA

Wray, W. K. (1986). Measuring Engineering Properties of Soil. Prentice-Hall of India.

Παραπομπή Chicago Style

Wray, Warren K. Measuring Engineering Properties of Soil. Englewood: Prentice-Hall of India, 1986.

Παραπομπή MLA

Wray, Warren K. Measuring Engineering Properties of Soil. Prentice-Hall of India, 1986.